The size are asian size,maybe will smaller one size than the us size, please read the size more carefully before you place the orderFabric1.2mm veneer microfiber breathable wearCleat compatibility: 2 hole mtb, 3 hole roadInsole is breathable and antibacteria,make your feel more comfortable when cyclingThe uppers is design for High-density PU and Mesh , Nylon Tpu Soles , Can Reduce the feet weight and Wind resistance make you feel more relaxed